From 90dc3329d1973fda691e357cf4523d5c7c67fa1d Mon Sep 17 00:00:00 2001
From: 杨锴 <841720330@qq.com>
Date: 星期二, 11 三月 2025 12:23:53 +0800
Subject: [PATCH] fix bug
---
Pods/SDWebImage/SDWebImage/Core/UIImage+Transform.m | 164 +++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 155 insertions(+), 9 deletions(-)
diff --git a/Pods/SDWebImage/SDWebImage/Core/UIImage+Transform.m b/Pods/SDWebImage/SDWebImage/Core/UIImage+Transform.m
index 65c7d63..bed7279 100644
--- a/Pods/SDWebImage/SDWebImage/Core/UIImage+Transform.m
+++ b/Pods/SDWebImage/SDWebImage/Core/UIImage+Transform.m
@@ -536,37 +536,183 @@
#pragma mark - Image Blending
+static NSString * _Nullable SDGetCIFilterNameFromBlendMode(CGBlendMode blendMode) {
+ // CGBlendMode: https://developer.apple.com/library/archive/documentation/GraphicsImaging/Conceptual/drawingwithquartz2d/dq_images/dq_images.html#//apple_ref/doc/uid/TP30001066-CH212-CJBIJEFG
+ // CIFilter: https://developer.apple.com/library/archive/documentation/GraphicsImaging/Reference/CoreImageFilterReference/index.html#//apple_ref/doc/uid/TP30000136-SW71
+ NSString *filterName;
+ switch (blendMode) {
+ case kCGBlendModeMultiply:
+ filterName = @"CIMultiplyBlendMode";
+ break;
+ case kCGBlendModeScreen:
+ filterName = @"CIScreenBlendMode";
+ break;
+ case kCGBlendModeOverlay:
+ filterName = @"CIOverlayBlendMode";
+ break;
+ case kCGBlendModeDarken:
+ filterName = @"CIDarkenBlendMode";
+ break;
+ case kCGBlendModeLighten:
+ filterName = @"CILightenBlendMode";
+ break;
+ case kCGBlendModeColorDodge:
+ filterName = @"CIColorDodgeBlendMode";
+ break;
+ case kCGBlendModeColorBurn:
+ filterName = @"CIColorBurnBlendMode";
+ break;
+ case kCGBlendModeSoftLight:
+ filterName = @"CISoftLightBlendMode";
+ break;
+ case kCGBlendModeHardLight:
+ filterName = @"CIHardLightBlendMode";
+ break;
+ case kCGBlendModeDifference:
+ filterName = @"CIDifferenceBlendMode";
+ break;
+ case kCGBlendModeExclusion:
+ filterName = @"CIExclusionBlendMode";
+ break;
+ case kCGBlendModeHue:
+ filterName = @"CIHueBlendMode";
+ break;
+ case kCGBlendModeSaturation:
+ filterName = @"CISaturationBlendMode";
+ break;
+ case kCGBlendModeColor:
+ // Color blend mode uses the luminance values of the background with the hue and saturation values of the source image.
+ filterName = @"CIColorBlendMode";
+ break;
+ case kCGBlendModeLuminosity:
+ filterName = @"CILuminosityBlendMode";
+ break;
+
+ // macOS 10.5+
+ case kCGBlendModeSourceAtop:
+ case kCGBlendModeDestinationAtop:
+ filterName = @"CISourceAtopCompositing";
+ break;
+ case kCGBlendModeSourceIn:
+ case kCGBlendModeDestinationIn:
+ filterName = @"CISourceInCompositing";
+ break;
+ case kCGBlendModeSourceOut:
+ case kCGBlendModeDestinationOut:
+ filterName = @"CISourceOutCompositing";
+ break;
+ case kCGBlendModeNormal: // SourceOver
+ case kCGBlendModeDestinationOver:
+ filterName = @"CISourceOverCompositing";
+ break;
+
+ // need special handling
+ case kCGBlendModeClear:
+ // use clear color instead
+ break;
+ case kCGBlendModeCopy:
+ // use input color instead
+ break;
+ case kCGBlendModeXOR:
+ // unsupported
+ break;
+ case kCGBlendModePlusDarker:
+ // chain filters
+ break;
+ case kCGBlendModePlusLighter:
+ // chain filters
+ break;
+ }
+ return filterName;
+}
+
- (nullable UIImage *)sd_tintedImageWithColor:(nonnull UIColor *)tintColor {
+ return [self sd_tintedImageWithColor:tintColor blendMode:kCGBlendModeSourceIn];
+}
+
+- (nullable UIImage *)sd_tintedImageWithColor:(nonnull UIColor *)tintColor blendMode:(CGBlendMode)blendMode {
BOOL hasTint = CGColorGetAlpha(tintColor.CGColor) > __FLT_EPSILON__;
if (!hasTint) {
return self;
}
+ // blend mode, see https://en.wikipedia.org/wiki/Alpha_compositing
#if SD_UIKIT || SD_MAC
// CIImage shortcut
- if (self.CIImage) {
- CIImage *ciImage = self.CIImage;
+ CIImage *ciImage = self.CIImage;
+ if (ciImage) {
CIImage *colorImage = [CIImage imageWithColor:[[CIColor alloc] initWithColor:tintColor]];
colorImage = [colorImage imageByCroppingToRect:ciImage.extent];
- CIFilter *filter = [CIFilter filterWithName:@"CISourceAtopCompositing"];
- [filter setValue:colorImage forKey:kCIInputImageKey];
- [filter setValue:ciImage forKey:kCIInputBackgroundImageKey];
- ciImage = filter.outputImage;
+ NSString *filterName = SDGetCIFilterNameFromBlendMode(blendMode);
+ // Some blend mode is not nativelly supported
+ if (filterName) {
+ CIFilter *filter = [CIFilter filterWithName:filterName];
+ [filter setValue:colorImage forKey:kCIInputImageKey];
+ [filter setValue:ciImage forKey:kCIInputBackgroundImageKey];
+ ciImage = filter.outputImage;
+ } else {
+ if (blendMode == kCGBlendModeClear) {
+ // R = 0
+ CIColor *clearColor;
+ if (@available(iOS 10.0, macOS 10.12, tvOS 10.0, *)) {
+ clearColor = CIColor.clearColor;
+ } else {
+ clearColor = [[CIColor alloc] initWithColor:UIColor.clearColor];
+ }
+ colorImage = [CIImage imageWithColor:clearColor];
+ colorImage = [colorImage imageByCroppingToRect:ciImage.extent];
+ ciImage = colorImage;
+ } else if (blendMode == kCGBlendModeCopy) {
+ // R = S
+ ciImage = colorImage;
+ } else if (blendMode == kCGBlendModePlusLighter) {
+ // R = MIN(1, S + D)
+ // S + D
+ CIFilter *filter = [CIFilter filterWithName:@"CIAdditionCompositing"];
+ [filter setValue:colorImage forKey:kCIInputImageKey];
+ [filter setValue:ciImage forKey:kCIInputBackgroundImageKey];
+ ciImage = filter.outputImage;
+ // MIN
+ ciImage = [ciImage imageByApplyingFilter:@"CIColorClamp" withInputParameters:nil];
+ } else if (blendMode == kCGBlendModePlusDarker) {
+ // R = MAX(0, (1 - D) + (1 - S))
+ // (1 - D)
+ CIFilter *filter1 = [CIFilter filterWithName:@"CIColorControls"];
+ [filter1 setValue:ciImage forKey:kCIInputImageKey];
+ [filter1 setValue:@(-0.5) forKey:kCIInputBrightnessKey];
+ ciImage = filter1.outputImage;
+ // (1 - S)
+ CIFilter *filter2 = [CIFilter filterWithName:@"CIColorControls"];
+ [filter2 setValue:colorImage forKey:kCIInputImageKey];
+ [filter2 setValue:@(-0.5) forKey:kCIInputBrightnessKey];
+ colorImage = filter2.outputImage;
+ // +
+ CIFilter *filter = [CIFilter filterWithName:@"CIAdditionCompositing"];
+ [filter setValue:colorImage forKey:kCIInputImageKey];
+ [filter setValue:ciImage forKey:kCIInputBackgroundImageKey];
+ ciImage = filter.outputImage;
+ // MAX
+ ciImage = [ciImage imageByApplyingFilter:@"CIColorClamp" withInputParameters:nil];
+ } else {
+ SD_LOG("UIImage+Transform error: Unsupported blend mode: %d", blendMode);
+ ciImage = nil;
+ }
+ }
+
+ if (ciImage) {
#if SD_UIKIT
UIImage *image = [UIImage imageWithCIImage:ciImage scale:self.scale orientation:self.imageOrientation];
#else
UIImage *image = [[UIImage alloc] initWithCIImage:ciImage scale:self.scale orientation:kCGImagePropertyOrientationUp];
#endif
return image;
+ }
}
#endif
CGSize size = self.size;
CGRect rect = { CGPointZero, size };
CGFloat scale = self.scale;
-
- // blend mode, see https://en.wikipedia.org/wiki/Alpha_compositing
- CGBlendMode blendMode = kCGBlendModeSourceAtop;
SDGraphicsImageRendererFormat *format = [[SDGraphicsImageRendererFormat alloc] init];
format.scale = scale;
--
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